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<?php
/**
* The Net_IMSP_Auth_plaintext class for IMSP authentication.
*
* Required parameters:<pre>
* 'username' Username to logon to IMSP server as.
* 'password' Password for current user.
* 'server' The hostname of the IMSP server.
* 'port' The port of the IMSP server.</pre>
*
* $Horde: framework/Net_IMSP/IMSP/Auth/plaintext.php,v 1.7.10.15 2009/01/06 15:23:27 jan Exp $
*
* Copyright 2003-2009 The Horde Project (http://www.horde.org/)
*
* See the enclosed file COPYING for license information (LGPL). If you
* did not receive this file, see http://www.fsf.org/copyleft/lgpl.html.
*
* @author Michael Rubinsky <mrubinsk@horde.org>
* @package Net_IMSP
*/
class Net_IMSP_Auth_plaintext extends Net_IMSP_Auth {
/**
* Private authentication function. Provides actual
* authentication code.
*
* @access private
* @param mixed $params Hash of IMSP parameters.
*
* @return mixed Net_IMSP object connected to server if successful,
* PEAR_Error on failure.
*/
function &_authenticate($params)
{
$imsp = &Net_IMSP::singleton('none', $params);
$result = $imsp->init();
if (is_a($result, 'PEAR_Error')) {
return $result;
}
$userId = $params['username'];
$credentials = $params['password'];
/* Start the command. */
$result = $imsp->imspSend('LOGIN ', true, false);
if (is_a($result, 'PEAR_Error')) {
return $result;
}
/* Username as a {}? */
if (preg_match(IMSP_MUST_USE_LITERAL, $userId)) {
$biUser = sprintf('{%d}', strlen($userId));
$result = $imsp->imspSend($biUser, false, true);
if (is_a($result, 'PEAR_Error')) {
return $result;
}
if (!preg_match("/^\+/",
$imsp->imspReceive())) {
$result = $imsp->imspError('Did not receive expected command continuation response from IMSP server.',
__FILE__, __LINE__);
return $result;
}
}
$result = $imsp->imspSend($userId . ' ', false, false);
if (is_a($result, 'PEAR_Error')) {
return $result;
}
/* Don't want to log the password! */
$logValue = $imsp->logEnabled;
$imsp->logEnabled = false;
/* Pass as {}? */
if (preg_match(IMSP_MUST_USE_LITERAL, $credentials)) {
$biPass = sprintf('{%d}', strlen($credentials));
$result = $imsp->imspSend($biPass, false, true);
if (is_a($result, 'PEAR_Error')) {
return $result;
}
if (!preg_match("/^\+/",
$imsp->imspReceive())) {
$result = $imsp->imspError('Did not receive expected command continuation response from IMSP server.',
__FILE__, __LINE__);
return $result;
}
}
$result = $imsp->imspSend($credentials, false, true);
if (is_a($result, 'PEAR_Error')) {
return $result;
}
/* Restore the logging boolean. */
$imsp->logEnabled = $logValue;
$server_response = $imsp->imspReceive();
if (is_a($server_response, 'PEAR_Error')) {
return $server_response;
}
if ($server_response != 'OK') {
$result = $imsp->imspError('Login to IMSP host failed.', __FILE__, __LINE__);
return $result;
}
return $imsp;
}
/**
* Force a logout command to the imsp stream.
*
*/
function logout()
{
$this->_imsp->logout();
}
/**
* Return the driver type
*
* @return string the type of this IMSP_Auth driver
*/
function getDriverType()
{
return 'plaintext';
}
}
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